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Finding the Fourth Proportional to 243,307.84, 364,961.74 and 124,913.38

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Solution

The fourth proportional to 243,307.84, 364,961.74 and 124,913.38 is: 187,370.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,307.84 : 364,961.74 = 124,913.38 : x
  2. Step 2: Convert to fraction form
    243,307.84/364,961.74 = 124,913.38/x
  3. Step 3: Cross multiply
    243,307.84x = 364,961.74 × 124,913.38
  4. Step 4: Simplify right side
    243,307.84x = 45,588,604,514.08
  5. Step 5: Solve for x
    x = 45,588,604,514.08/243,307.84
  6. Step 6: Final answer
    x = 187,370.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.